SyncIOBridge caused tokio panic

shared/src/utils/json_utils.rs

@@ -1,66 +1,7 @@
-use std::io::{self, Read};
-
-use serde::de::DeserializeOwned;
 use serde::{Deserialize};
-use serde_json::{self, Deserializer, Value};
+use serde_json::{self, Value};
 use crate::utils::{humanize_snake_case};
 
-fn read_skipping_ws(mut reader: impl Read) -> io::Result<u8> {
-    loop {
-        let mut byte = 0u8;
-        reader.read_exact(std::slice::from_mut(&mut byte))?;
-        if !byte.is_ascii_whitespace() {
-            return Ok(byte);
-        }
-    }
-}
-
-fn invalid_data(msg: &str) -> io::Error {
-    io::Error::new(io::ErrorKind::InvalidData, msg)
-}
-
-fn deserialize_single<T: DeserializeOwned, R: Read>(reader: R) -> io::Result<T> {
-    let next_obj = Deserializer::from_reader(reader).into_iter::<T>().next();
-    next_obj.map_or_else(
-        || Err(invalid_data("premature EOF")),
-        |result| result.map_err(Into::into),
-    )
-}
-
-fn yield_next_obj<T: DeserializeOwned, R: Read>(
-    mut reader: R,
-    at_start: &mut bool,
-) -> io::Result<Option<T>> {
-    if *at_start {
-        match read_skipping_ws(&mut reader)? {
-            b',' => deserialize_single(reader).map(Some),
-            b']' => Ok(None),
-            _ => Err(invalid_data("`,` or `]` not found")),
-        }
-    } else {
-        *at_start = true;
-        if read_skipping_ws(&mut reader)? == b'[' {
-            // read the next char to see if the array is empty
-            let peek = read_skipping_ws(&mut reader)?;
-            if peek == b']' {
-                Ok(None)
-            } else {
-                deserialize_single(io::Cursor::new([peek]).chain(reader)).map(Some)
-            }
-        } else {
-            Err(invalid_data("`[` not found"))
-        }
-    }
-}
-
-// https://stackoverflow.com/questions/68641157/how-can-i-stream-elements-from-inside-a-json-array-using-serde-json
-pub fn json_iter_array<T: DeserializeOwned, R: Read>(
-    mut reader: R,
-) -> impl Iterator<Item = Result<T, io::Error>> {
-    let mut at_start = false;
-    std::iter::from_fn(move || yield_next_obj(&mut reader, &mut at_start).transpose())
-}
-
 pub fn string_or_number_u32<'de, D>(deserializer: D) -> Result<u32, D::Error>
 where
     D: serde::Deserializer<'de>,